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authorRafał Miłecki <zajec5@gmail.com>2016-03-07 23:09:26 +0000
committerRafał Miłecki <zajec5@gmail.com>2016-03-07 23:09:26 +0000
commit0e2f0196a2d684f2bb6f652e09e98b79c2bcf60e (patch)
treec2370401e2e8e60798025c3db87488ca8d419b63 /target/linux/generic/patches-3.18
parentf5317ed5d2e06765982b44fb4f42b80686790b37 (diff)
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kernel: backport bcma 4.6 changes for flashes
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 48960
Diffstat (limited to 'target/linux/generic/patches-3.18')
-rw-r--r--target/linux/generic/patches-3.18/032-bcma-from-4.6.patch298
1 files changed, 285 insertions, 13 deletions
diff --git a/target/linux/generic/patches-3.18/032-bcma-from-4.6.patch b/target/linux/generic/patches-3.18/032-bcma-from-4.6.patch
index a74d9eead9..9df6e2594c 100644
--- a/target/linux/generic/patches-3.18/032-bcma-from-4.6.patch
+++ b/target/linux/generic/patches-3.18/032-bcma-from-4.6.patch
@@ -9,8 +9,37 @@
static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
u32 mask, u32 value)
{
-@@ -115,6 +117,8 @@ int bcma_chipco_watchdog_register(struct
+@@ -113,8 +115,37 @@ int bcma_chipco_watchdog_register(struct
+ return 0;
+ }
++static void bcma_core_chipcommon_flash_detect(struct bcma_drv_cc *cc)
++{
++ struct bcma_bus *bus = cc->core->bus;
++
++ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
++ case BCMA_CC_FLASHT_STSER:
++ case BCMA_CC_FLASHT_ATSER:
++ bcma_debug(bus, "Found serial flash\n");
++ bcma_sflash_init(cc);
++ break;
++ case BCMA_CC_FLASHT_PARA:
++ bcma_debug(bus, "Found parallel flash\n");
++ bcma_pflash_init(cc);
++ break;
++ default:
++ bcma_err(bus, "Flash type not supported\n");
++ }
++
++ if (cc->core->id.rev == 38 ||
++ bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
++ if (cc->capabilities & BCMA_CC_CAP_NFLASH) {
++ bcma_debug(bus, "Found NAND flash\n");
++ bcma_nflash_init(cc);
++ }
++ }
++}
++
void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
{
+ struct bcma_bus *bus = cc->core->bus;
@@ -18,17 +47,20 @@
if (cc->early_setup_done)
return;
-@@ -129,6 +133,9 @@ void bcma_core_chipcommon_early_init(str
+@@ -129,6 +160,12 @@ void bcma_core_chipcommon_early_init(str
if (cc->capabilities & BCMA_CC_CAP_PMU)
bcma_pmu_early_init(cc);
+ if (IS_BUILTIN(CONFIG_BCM47XX) && bus->hosttype == BCMA_HOSTTYPE_SOC)
+ bcma_chipco_serial_init(cc);
+
++ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
++ bcma_core_chipcommon_flash_detect(cc);
++
cc->early_setup_done = true;
}
-@@ -185,11 +192,12 @@ u32 bcma_chipco_watchdog_timer_set(struc
+@@ -185,11 +222,12 @@ u32 bcma_chipco_watchdog_timer_set(struc
ticks = 2;
else if (ticks > maxt)
ticks = maxt;
@@ -42,7 +74,7 @@
bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
bcma_core_set_clockmode(cc->core,
ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);
-@@ -314,9 +322,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcm
+@@ -314,9 +352,9 @@ u32 bcma_chipco_gpio_pulldown(struct bcm
return res;
}
@@ -54,7 +86,7 @@
unsigned int irq;
u32 baud_base;
u32 i;
-@@ -358,5 +366,5 @@ void bcma_chipco_serial_init(struct bcma
+@@ -358,5 +396,5 @@ void bcma_chipco_serial_init(struct bcma
ports[i].baud_base = baud_base;
ports[i].reg_shift = 0;
}
@@ -368,7 +400,7 @@
#define BCMA_CC_PMU_STRAPOPT 0x0668 /* (corerev >= 28) */
#define BCMA_CC_PMU_XTAL_FREQ 0x066C /* (pmurev >= 10) */
#define BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK 0x00001FFF
-@@ -566,6 +571,7 @@
+@@ -566,17 +571,16 @@
* Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
*/
struct bcma_chipcommon_pmu {
@@ -376,7 +408,47 @@
u8 rev; /* PMU revision */
u32 crystalfreq; /* The active crystal frequency (in kHz) */
};
-@@ -663,6 +669,19 @@ struct bcma_drv_cc_b {
+
+-#ifdef CONFIG_BCMA_DRIVER_MIPS
++#ifdef CONFIG_BCMA_PFLASH
+ struct bcma_pflash {
+ bool present;
+- u8 buswidth;
+- u32 window;
+- u32 window_size;
+ };
++#endif
+
+ #ifdef CONFIG_BCMA_SFLASH
+ struct bcma_sflash {
+@@ -602,6 +606,7 @@ struct bcma_nflash {
+ };
+ #endif
+
++#ifdef CONFIG_BCMA_DRIVER_MIPS
+ struct bcma_serial_port {
+ void *regs;
+ unsigned long clockspeed;
+@@ -621,8 +626,9 @@ struct bcma_drv_cc {
+ /* Fast Powerup Delay constant */
+ u16 fast_pwrup_delay;
+ struct bcma_chipcommon_pmu pmu;
+-#ifdef CONFIG_BCMA_DRIVER_MIPS
++#ifdef CONFIG_BCMA_PFLASH
+ struct bcma_pflash pflash;
++#endif
+ #ifdef CONFIG_BCMA_SFLASH
+ struct bcma_sflash sflash;
+ #endif
+@@ -630,6 +636,7 @@ struct bcma_drv_cc {
+ struct bcma_nflash nflash;
+ #endif
+
++#ifdef CONFIG_BCMA_DRIVER_MIPS
+ int nr_serial_ports;
+ struct bcma_serial_port serial_ports[4];
+ #endif /* CONFIG_BCMA_DRIVER_MIPS */
+@@ -663,6 +670,19 @@ struct bcma_drv_cc_b {
#define bcma_cc_maskset32(cc, offset, mask, set) \
bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set))
@@ -398,14 +470,39 @@
extern u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc);
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
-@@ -47,7 +47,6 @@ void bcma_core_chipcommon_early_init(str
+@@ -46,10 +46,6 @@ int bcma_sprom_get(struct bcma_bus *bus)
+ void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
- #ifdef CONFIG_BCMA_DRIVER_MIPS
+-#ifdef CONFIG_BCMA_DRIVER_MIPS
-void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
- extern struct platform_device bcma_pflash_dev;
- #endif /* CONFIG_BCMA_DRIVER_MIPS */
+-extern struct platform_device bcma_pflash_dev;
+-#endif /* CONFIG_BCMA_DRIVER_MIPS */
+
+ /* driver_chipcommon_b.c */
+ int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
+@@ -61,6 +57,21 @@ void bcma_pmu_init(struct bcma_drv_cc *c
+ u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
+ u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
++/**************************************************
++ * driver_chipcommon_sflash.c
++ **************************************************/
++
++#ifdef CONFIG_BCMA_PFLASH
++extern struct platform_device bcma_pflash_dev;
++int bcma_pflash_init(struct bcma_drv_cc *cc);
++#else
++static inline int bcma_pflash_init(struct bcma_drv_cc *cc)
++{
++ bcma_err(cc->core->bus, "Parallel flash not supported\n");
++ return 0;
++}
++#endif /* CONFIG_BCMA_PFLASH */
++
+ #ifdef CONFIG_BCMA_SFLASH
+ /* driver_chipcommon_sflash.c */
+ int bcma_sflash_init(struct bcma_drv_cc *cc);
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -229,6 +229,7 @@ int bcma_gpio_init(struct bcma_drv_cc *c
@@ -418,7 +515,93 @@
default:
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
-@@ -328,12 +328,9 @@ static void bcma_core_mips_flash_detect(
+@@ -14,8 +14,6 @@
+
+ #include <linux/bcma/bcma.h>
+
+-#include <linux/mtd/physmap.h>
+-#include <linux/platform_device.h>
+ #include <linux/serial.h>
+ #include <linux/serial_core.h>
+ #include <linux/serial_reg.h>
+@@ -29,26 +27,6 @@ enum bcma_boot_dev {
+ BCMA_BOOT_DEV_NAND,
+ };
+
+-static const char * const part_probes[] = { "bcm47xxpart", NULL };
+-
+-static struct physmap_flash_data bcma_pflash_data = {
+- .part_probe_types = part_probes,
+-};
+-
+-static struct resource bcma_pflash_resource = {
+- .name = "bcma_pflash",
+- .flags = IORESOURCE_MEM,
+-};
+-
+-struct platform_device bcma_pflash_dev = {
+- .name = "physmap-flash",
+- .dev = {
+- .platform_data = &bcma_pflash_data,
+- },
+- .resource = &bcma_pflash_resource,
+- .num_resources = 1,
+-};
+-
+ /* The 47162a0 hangs when reading MIPS DMP registers registers */
+ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
+ {
+@@ -269,48 +247,11 @@ static enum bcma_boot_dev bcma_boot_dev(
+ return BCMA_BOOT_DEV_SERIAL;
+ }
+
+-static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
++static void bcma_core_mips_nvram_init(struct bcma_drv_mips *mcore)
+ {
+ struct bcma_bus *bus = mcore->core->bus;
+- struct bcma_drv_cc *cc = &bus->drv_cc;
+- struct bcma_pflash *pflash = &cc->pflash;
+ enum bcma_boot_dev boot_dev;
+
+- switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+- case BCMA_CC_FLASHT_STSER:
+- case BCMA_CC_FLASHT_ATSER:
+- bcma_debug(bus, "Found serial flash\n");
+- bcma_sflash_init(cc);
+- break;
+- case BCMA_CC_FLASHT_PARA:
+- bcma_debug(bus, "Found parallel flash\n");
+- pflash->present = true;
+- pflash->window = BCMA_SOC_FLASH2;
+- pflash->window_size = BCMA_SOC_FLASH2_SZ;
+-
+- if ((bcma_read32(cc->core, BCMA_CC_FLASH_CFG) &
+- BCMA_CC_FLASH_CFG_DS) == 0)
+- pflash->buswidth = 1;
+- else
+- pflash->buswidth = 2;
+-
+- bcma_pflash_data.width = pflash->buswidth;
+- bcma_pflash_resource.start = pflash->window;
+- bcma_pflash_resource.end = pflash->window + pflash->window_size;
+-
+- break;
+- default:
+- bcma_err(bus, "Flash type not supported\n");
+- }
+-
+- if (cc->core->id.rev == 38 ||
+- bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
+- if (cc->capabilities & BCMA_CC_CAP_NFLASH) {
+- bcma_debug(bus, "Found NAND flash\n");
+- bcma_nflash_init(cc);
+- }
+- }
+-
+ /* Determine flash type this SoC boots from */
+ boot_dev = bcma_boot_dev(bus);
+ switch (boot_dev) {
+@@ -328,13 +269,10 @@ static void bcma_core_mips_flash_detect(
void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
{
@@ -428,9 +611,11 @@
return;
- bcma_chipco_serial_init(&bus->drv_cc);
- bcma_core_mips_flash_detect(mcore);
+- bcma_core_mips_flash_detect(mcore);
++ bcma_core_mips_nvram_init(mcore);
mcore->early_setup_done = true;
+ }
--- a/drivers/bcma/host_pci.c
+++ b/drivers/bcma/host_pci.c
@@ -294,7 +294,7 @@ static const struct pci_device_id bcma_p
@@ -442,3 +627,90 @@
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
+--- a/drivers/bcma/Kconfig
++++ b/drivers/bcma/Kconfig
+@@ -70,6 +70,11 @@ config BCMA_DRIVER_MIPS
+
+ If unsure, say N
+
++config BCMA_PFLASH
++ bool
++ depends on BCMA_DRIVER_MIPS
++ default y
++
+ config BCMA_SFLASH
+ bool
+ depends on BCMA_DRIVER_MIPS
+--- a/drivers/bcma/Makefile
++++ b/drivers/bcma/Makefile
+@@ -1,6 +1,7 @@
+ bcma-y += main.o scan.o core.o sprom.o
+ bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
+ bcma-y += driver_chipcommon_b.o
++bcma-$(CONFIG_BCMA_PFLASH) += driver_chipcommon_pflash.o
+ bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
+ bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o
+ bcma-$(CONFIG_BCMA_DRIVER_PCI) += driver_pci.o
+--- /dev/null
++++ b/drivers/bcma/driver_chipcommon_pflash.c
+@@ -0,0 +1,49 @@
++/*
++ * Broadcom specific AMBA
++ * ChipCommon parallel flash
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++
++#include "bcma_private.h"
++
++#include <linux/bcma/bcma.h>
++#include <linux/mtd/physmap.h>
++#include <linux/platform_device.h>
++
++static const char * const part_probes[] = { "bcm47xxpart", NULL };
++
++static struct physmap_flash_data bcma_pflash_data = {
++ .part_probe_types = part_probes,
++};
++
++static struct resource bcma_pflash_resource = {
++ .name = "bcma_pflash",
++ .flags = IORESOURCE_MEM,
++};
++
++struct platform_device bcma_pflash_dev = {
++ .name = "physmap-flash",
++ .dev = {
++ .platform_data = &bcma_pflash_data,
++ },
++ .resource = &bcma_pflash_resource,
++ .num_resources = 1,
++};
++
++int bcma_pflash_init(struct bcma_drv_cc *cc)
++{
++ struct bcma_pflash *pflash = &cc->pflash;
++
++ pflash->present = true;
++
++ if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
++ bcma_pflash_data.width = 1;
++ else
++ bcma_pflash_data.width = 2;
++
++ bcma_pflash_resource.start = BCMA_SOC_FLASH2;
++ bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
++
++ return 0;
++}
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -325,7 +325,7 @@ static int bcma_register_devices(struct
+ bcma_register_core(bus, core);
+ }
+
+-#ifdef CONFIG_BCMA_DRIVER_MIPS
++#ifdef CONFIG_BCMA_PFLASH
+ if (bus->drv_cc.pflash.present) {
+ err = platform_device_register(&bcma_pflash_dev);
+ if (err)